81427533712

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10239881}}^1$

素因数の和:10239967

約数の個数: 40

約数和(自身を含む): 182843332992

約数和(自身を除く): 101415799280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 10239881, 20479762, 40959524, 71679167, 81919048, 143358334, 163838096, 286716668, 573433336, 727031551, 1146866672, 1454063102, 2908126204, 5089220857, 5816252408, 10178441714, 11632504816, 20356883428, 40713766856, 81427533712]

約数ペア:

[(1, 81427533712), (2, 40713766856), (4, 20356883428), (7, 11632504816), (8, 10178441714), (14, 5816252408), (16, 5089220857), (28, 2908126204), (56, 1454063102), (71, 1146866672), (112, 727031551), (142, 573433336), (284, 286716668), (497, 163838096), (568, 143358334), (994, 81919048), (1136, 71679167), (1988, 40959524), (3976, 20479762), (7952, 10239881)]